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September 17th, 2003, 12:41 PM
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Hydrocarbon failure
My 87 is stock. It has always passed emissions test (Indiana) After I gutted the CAT, the car failed even with the stock chip. The guy frist said that he thought the car wasn't warmed up enough so I took it out for a good run. Came back and the reading was a little higher than the first time. Any tricks I can use to get the Hydros down just a little. I was running 89 octane at the time.
     
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September 18th, 2003, 09:17 AM
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Put a good cat on it.
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September 18th, 2003, 10:27 AM
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ditto. Like Intercooler says
__________________
87 Buick GN 55 Chevy 3200 Heavy 1/2 Ton 99 Pontiac Bonneville Joe
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